|Pos.|Athlete|Run 1|Run 2|Total|
|---|---|---|---|---|
||Aronne Pieruz|50.39|58.25|1:48.64|
||Filip Trejbal|50.68|58.84|1:49.52|
||Adam Cole|51.40|58.51|1:49.91|
|4.|Tague Thorson|51.20|59.13|1:50.33|
|5.|Jan Urfer|51.54|59.10|1:50.64|
|6.|Charles Christianson|51.75|58.91|1:50.66|
|7.|Francesco Ghedina|51.37|59.39|1:50.94|
|8.|Luca Moretti|52.05|58.89|1:51.17|
|9.|Cameron Barnes|51.66|59.51|1:51.37|
|10.|Martin Vráblík|52.77|58.60|1:51.48|

Question: how many athlete's first run was between 51 and 52 seconds?
Answer: 6